Defending champion Ernesto Bayaua and former champion Brian Parks of Bakersfield, Calif., highlight a field of four remaining unbeaten players heading into the 11am Round on Sunday. Bayaua will square-off with Daniel Gordon of Marietta, Ga., who is making his second U.S. Amateur Championship appearance. Parks will go head-to-head with Troy Jones of Muncie, Ind. The winner of each match will assure themselves of no worse than a 3rd Place finish.